204 lines
4.3 KiB
Groff
204 lines
4.3 KiB
Groff
.de Id
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.ds Rv \\$3
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.ds Dt \\$4
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..
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.Id $Id: rcsclean.1,v 1.3 1995/02/24 02:25:31 mycroft Exp $
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.ds r \&\s-1RCS\s0
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.if n .ds - \%--
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.if t .ds - \(em
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.TH RCSCLEAN 1 \*(Dt GNU
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.SH NAME
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rcsclean \- clean up working files
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.SH SYNOPSIS
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.B rcsclean
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.RI [ options "] [ " file " .\|.\|. ]"
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.SH DESCRIPTION
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.B rcsclean
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removes files that are not being worked on.
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.B "rcsclean \-u"
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also unlocks and removes files that are being worked on
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but have not changed.
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.PP
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For each
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.I file
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given,
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.B rcsclean
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compares the working file and a revision in the corresponding
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\*r file. If it finds a difference, it does nothing.
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Otherwise, it first unlocks the revision if the
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.B \-u
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option is given,
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and then removes the working file
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unless the working file is writable and the revision is locked.
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It logs its actions by outputting the corresponding
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.B "rcs \-u"
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and
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.B "rm \-f"
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commands on the standard output.
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.PP
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Files are paired as explained in
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.BR ci (1).
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If no
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.I file
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is given, all working files in the current directory are cleaned.
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Pathnames matching an \*r suffix denote \*r files;
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all others denote working files.
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.PP
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The number of the revision to which the working file is compared
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may be attached to any of the options
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.BR \-n ,
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.BR \-q ,
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.BR \-r ,
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or
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.BR \-u .
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If no revision number is specified, then if the
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.B \-u
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option is given and the caller has one revision locked,
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.B rcsclean
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uses that revision; otherwise
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.B rcsclean
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uses the latest revision on the default branch, normally the root.
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.PP
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.B rcsclean
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is useful for
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.B clean
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targets in makefiles.
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See also
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.BR rcsdiff (1),
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which prints out the differences,
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and
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.BR ci (1),
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which
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normally reverts to the previous revision
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if a file was not changed.
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.SH OPTIONS
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.TP
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.BI \-k subst
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Use
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.I subst
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style keyword substitution when retrieving the revision for comparison.
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See
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.BR co (1)
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for details.
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.TP
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.BR \-n [\f2rev\fP]
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Do not actually remove any files or unlock any revisions.
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Using this option will tell you what
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.B rcsclean
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would do without actually doing it.
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.TP
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.BR \-q [\f2rev\fP]
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Do not log the actions taken on standard output.
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.TP
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.BR \-r [\f2rev\fP]
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This option has no effect other than specifying the revision for comparison.
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.TP
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.B \-T
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Preserve the modification time on the \*r file
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even if the \*r file changes because a lock is removed.
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This option can suppress extensive recompilation caused by a
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.BR make (1)
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dependency of some other copy of the working file on the \*r file.
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Use this option with care; it can suppress recompilation even when it is needed,
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i.e. when the lock removal
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would mean a change to keyword strings in the other working file.
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.TP
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.BR \-u [\f2rev\fP]
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Unlock the revision if it is locked and no difference is found.
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.TP
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.BI \-V
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Print \*r's version number.
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.TP
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.BI \-V n
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Emulate \*r version
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.IR n .
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See
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.BR co (1)
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for details.
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.TP
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.BI \-x "suffixes"
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Use
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.I suffixes
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to characterize \*r files.
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See
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.BR ci (1)
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for details.
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.TP
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.BI \-z zone
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Use
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.I zone
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as the time zone for keyword substitution;
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see
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.BR co (1)
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for details.
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.SH EXAMPLES
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.LP
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.RS
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.ft 3
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rcsclean *.c *.h
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.ft
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.RE
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.LP
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removes all working files ending in
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.B .c
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or
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.B .h
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that were not changed
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since their checkout.
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.LP
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.RS
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.ft 3
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rcsclean
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.ft
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.RE
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.LP
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removes all working files in the current directory
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that were not changed since their checkout.
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.SH FILES
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.B rcsclean
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accesses files much as
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.BR ci (1)
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does.
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.SH ENVIRONMENT
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.TP
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.B \s-1RCSINIT\s0
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options prepended to the argument list, separated by spaces.
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A backslash escapes spaces within an option.
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The
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.B \s-1RCSINIT\s0
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options are prepended to the argument lists of most \*r commands.
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Useful
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.B \s-1RCSINIT\s0
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options include
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.BR \-q ,
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.BR \-V ,
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.BR \-x ,
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and
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.BR \-z .
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.SH DIAGNOSTICS
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The exit status is zero if and only if all operations were successful.
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Missing working files and \*r files are silently ignored.
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.SH IDENTIFICATION
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Author: Walter F. Tichy.
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.br
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Manual Page Revision: \*(Rv; Release Date: \*(Dt.
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.br
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Copyright \(co 1982, 1988, 1989 Walter F. Tichy.
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.br
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Copyright \(co 1990, 1991, 1992, 1993 Paul Eggert.
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.SH "SEE ALSO"
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ci(1), co(1), ident(1), rcs(1), rcsdiff(1), rcsintro(1), rcsmerge(1), rlog(1),
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rcsfile(5)
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.br
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Walter F. Tichy,
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\*r\*-A System for Version Control,
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.I "Software\*-Practice & Experience"
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.BR 15 ,
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7 (July 1985), 637-654.
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.SH BUGS
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At least one
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.I file
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must be given in older Unix versions that
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do not provide the needed directory scanning operations.
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.br
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